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With incisive analytical skill and a business focus, Dan helps clients understand how intellectual property (IP) protections can help them achieve their business goals.

Dan focuses his practice on patents, trademarks and copyrights, as well as advertising, marketing and e-commerce. He combines an electrical engineering and mathematics background, legal skills and a competitive spirit with strong business experience: He spent 14 months as full-time in-house trademark counsel for a Fortune 250 company during a secondment.

As a patent attorney registered with the U.S. Patent and Trademark Office, Dan drafts and prosecutes electrical, mechanical, internet-based and business method patent applications for large corporations and research laboratories. He has substantial experience in post-issuance proceedings, including as lead counsel in the first two post-grant reviews ever to be instituted, and provides IP litigation support in patent, trademark, trade dress, trade secret and unfair competition lawsuits.

Dan also prosecutes foreign and domestic trademark applications and enforces trademark rights for multinational corporations, including proceedings against domain-name cybersquatters.

Experienced with the National Advertising Division of the Better Business Bureau, Dan helps clients with mobile and digital applications used in social media for marketing or other purposes.




  • Managing Intellectual Property IP STARS, Patent star, 2020-2022
  • Missouri & Kansas Super Lawyers, Rising Star, 2017


  • J.D., University of Illinois College of Law
    • with high honors
  • University of Oxford
    • International and Comparative Intellectual Property Law Summer Program
  • B.E., Vanderbilt University
    • Electrical Engineering and Mathematics
    • with high honors
    • Alpha Epsilon Pi, President, 2003-2004


  • Missouri
  • U.S. Patent and Trademark Office

Professional Memberships and Certifications

  • The Bar Association of Metropolitan St. Louis
  • The Missouri Bar
  • Patent Trial and Appeal Board Bar Association, Young Lawyers Committee
Featured Experience

Leading the Way in Post-Grant Review Proceedings

Dan was lead counsel on the first post-grant review proceedings ever instituted under provisions established by Congress within the U.S. Patent Office to judge the validity of patents. His client was sued for infringement of two issued patents. At the Patent Trial and Appeal Board, Dan argued successfully that the patents were invalid and won the case for his client.

Additional Experience
  • Advised numerous startup companies from ideation through entity formation, and from initial IP audits through patent and trademark filings.
  • Prosecuted inter partes re-examination proceeding on behalf of multinational company, resulting in rejection of all patent claims asserted against client and dismissal of litigation.
  • Represented telecommunications client before National Advertising Division and prevailed in challenge of rival telecommunications company's advertisement.
  • Handled more than a dozen post-issuance proceedings before Patent Trial and Appeal Board.
  • Represented leading provider of recreational gear in a patent infringement lawsuit alleging infringement of two European patents and two European design patents in Germany. Filed invalidation proceedings with the European Patent Office, leading to all litigation and challenges being withdrawn.
  • Twice seconded to major brewing company to serve as in-house IP counsel for North America, overseeing a multibillion dollar IP portfolio.
Outside the Office

Dan and his wife are self-professed foodies who take their avocation very seriously.

They enjoy cooking, especially classical French and Asian cuisines, and they travel the globe to visit world-renowned restaurants.

With his engineering background, Dan loves to tinker with mechanical things, from watches to cars. His reading also reflects his scientific bent, encompassing everything from particle physics and quantum mechanics to biographies of 20th-century scientists.

Community Leadership
  • Volunteer Lawyers and Accountants for the Arts, Board of Directors

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